Why you can’t ‘burn off’ a bad meal
Fit to Post Health – Fri, Apr 20, 2012
One of the common misconceptions
of new clients at Genesis Gym is that
they can "burn off" a bad meal by
doing some exercise after.
This is an idea driven by the negative
emotion of guilt.
In this article I will explain why this
method of guilt-based exercise
doesn't work, and how to plan a "less
healthy" meal into your week.
First let's take what I call the
"pizza" example.
Let's say you go to a party the night
before and overdo the pizza eating.
According to Domino's website, half a regular peperoni pizza (4 slices) is 1160 calories.
This has: 135g carbohydrates and 51g fat.
Then guilt kicks in and you decide to go for a jog. "That will burn it off" you think. So you take a 100 minute jog which is
way more than normal, but the thought of that pizza sticking on your love handles helps you push through the sore knees to
finish the jog.
"Phew, I got rid of those 1160 calories!" you might think.
Not so fast.
Here is why this method will not work.
1. Food is not just calories, food is information telling your body what to do.
In this case, the large amount of carbohydrates in the pizza stimulates the storage hormone insulin, and get stored in your
fat cells. The large amount of fat in the pizza, combined with insulin also get stored in your fat cells.
2. We tend to eat bad food at night. The high fat levels lower growth hormone output which is a critical part of the fat
burning, and body repair processes that we need to do at night.
3. The exercise we did with good intentions, quite possibly did burn 1,160 calories.
However, it is a long, slow,
cardiovascular dominant form of exercise which when done for long periods of time (needed to get rid of ALL those
calories) tends to....
A. Break down muscle for fuel since amino acids are an important fuel for long activity
B. Raise stress hormones, which means fat storage especially around the tummy area, and even further break down muscles
for fuel
C. Lead to an overall lower metabolism and easier future fat gain because of the increased fat and lowered lean muscle
As you can see the "burn off a bad meal" mentality doesn't work well.
So what shall we do?
1. Normal daily food should be unprocessed and "caveman" in nature. (The fish should look like a fish, the chicken should like a chicken too)
This article is a good place to start.
2. If you do eat a bad meal, try to make it more carbohydrate based with limited amounts of fats together with it. Eat it
several hours before you sleep.
3. Use stretching and strength training as your main form of exercise. It builds lean mass and this increases insulin sensitivity of your
muscles. Which means that nutrients from meals will tend to replenish your muscle stores rather than get shuttled into
your fat cells.
4. If you do go overboard don't worry it can happen to any body, just recover quickly and get back on track. If one car tire
gets punctured, fix it and get back on the road, don't feel bad about it, give up and puncture all the rest of them by doing
foolish things.
End Of Article.
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